21802

Appears in sequences

• Numbers whose base-2 representation has exactly 14 runs.at n=4A043581
• List of codewords in binary lexicode with Hamming distance 7 written as decimal numbers.at n=22A075937
• a(n) = (1/24)*(n+1)*(n+3)*(n^2+22*n+88).at n=22A090950
• Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined below in Comments.at n=16A192756
• Augmentation of the triangular array |A123191|. See Comments.at n=41A193559
• a(n) = Sum_{k=1..n-1} lcm(lcm(n, k), lcm(n, n-k)).at n=21A338798
• Number of positive integers with n digits that are equal both to the product of two integers ending with 3 and to that of two integers ending with 7.at n=5A348546